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<head>
    <meta charset="UTF-8">
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    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
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<body>
    
    <div id="app">
       <p v-if="type === 'A'">优秀</p>
       <p v-else-if="type === 'B'">良好</p>
       <p v-else-if="type === 'C'">一般</p>
       <p v-else>差</p>

    </div>

    <script>

        const vm = new Vue({
            el:'#app',
            data: {
                type: 'A'
            },
            methods: {

            }
        })
    </script>
</body>
</html>
